Access koxo.su.

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

koxo.su

560 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Koxo.su and no external sources were called. The less responsive or slowest element that took the longest time to load (560 ms) belongs to the original domain Koxo.su.

Content Size

612.7 kB

After Optimization

496.3 kB

In fact, the total size of Koxo.su main page is 612.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 394.1 kB which makes up the majority of the site volume.

HTML Optimization

-26%

Potential reduce by 68 B

Original 260 B
After minification 260 B
After compression 192 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 68 B or 26% of the original size.

Image Optimization

-7%

Potential reduce by 25.8 kB

Original 394.1 kB
After minification 368.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Koxo images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 43.1 kB

Original 84.1 kB
After minification 84.1 kB
After compression 41.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 43.1 kB or 51% of the original size.

CSS Optimization

-35%

Potential reduce by 47.4 kB

Original 134.3 kB
After minification 129.4 kB
After compression 86.9 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Koxo.su needs all CSS files to be minified and compressed as it can save up to 47.4 kB or 35% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koxo.su can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Koxo.su main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Koxo. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: